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Scoring index components and definition. The weighting of target coverage and OAR sparing index components are reported in the formulae. Abbreviations: PTV, planning target volume; OAR, organ-at-risk; D#, dose received by the # % of contoured volume; V#, volume receiving more than # Gy; RFH, right femoral head; LFH, left femoral head; PR_33, 3%/3 mm gamma passing ratio; MCS, modulation complexity score.
